docs: def remove(self):
          """
          Call this to remove the node/replicas from the ring.
          """
          pipeline = self.conn.pipeline()
          for replica in self.replicas:
              pipeline.zrem(self.key, '{start}:{name}'.format(
                  start=replica[0],
                  name=replica[1]
              ))
          pipeline.execute()
          self._notify()